Solar Panel Maintenance

Q: How often should I schedule professional solar inverter checks?

You should schedule a professional inverter check once every 1–2 years. However, monitoring should be done continuously via your system’s app or display. If you notice error codes, reduced output, or shutdowns, arrange an inspection immediately.

Q: What is the average lifespan of a solar panel?

The average lifespan of a solar panel is 25–30 years. Studies suggest that most modern solar panels continue producing electricity well beyond this period, although their output gradually decreases over time at an average degradation rate of 0.3–0.8% per year. Long-term performance research indicates that high-quality panels often retain 80–90% of their original capacity after 25 years, making them a reliable long-term energy investment.

Contact Us

Commercial Solar Panel Maintenance

Maintenance of commercial solar panels is important if you want to keep your system operating efficiently. For businesses in coastal regions around Durban - salt, dust and general wear and tear can affect the output of systems if this is not properly monitored. We specialise in providing businesses with general maintenance services and tailored solar panel maintenance plans to avoid downtime, reduction in energy production or costly repairs down the line. The system should be inspected regularly to ensure you continue to receive consistent power from the system, we advise clients to perform maintenance on their system either once or twice a year.

Many businesses using commercial solar panels in Durban routinely find that such maintenance and prompt fault detection can go a long way in improving performance, which we provide. Our maintenance process involves checking the inverter, system efficiency, and electrical connections and verifying that, if batteries are installed, they are working safely and effectively. Whether your system powers an entire facility or supports essential equipment and lighting, preventive maintenance makes sure that the system will last longer and maximise returns. We use strong parts from trusted manufacturers to make sure your solar system meets your business needs as they keep changing.

Contact us

Person wearing gloves and a blue jacket working on a metal structure with a clear blue sky in the background.

Solar Panel Maintenance Tips and Tricks

Regular Cleaning Improves Efficiency

Dust and dirt build-up can reduce performance - gently clean panels every few months for best results.

Keep Panels Clear of Shade or Debris

Overhanging branches or debris can block sunlight - ensure panels stay clear to maximise output.

Schedule Professional Yearly Inspections

A yearly check by a technician helps detect minor faults early and extends your system’s lifespan.

Monitor Energy Output Consistently

Track your solar performance often to catch dips in output and act before problems grow.

Technicians installing solar panels at a residential property in Durban, South Africa.

Solar PV System Repairs

Reliable repairs for solar PV systems are crucial for ensuring consistent energy production, particularly in coastal areas like Durban, where factors such as salt air, humidity, dust, and storms can lead to increased deterioration. A single fault in the inverter, a loose connection, or an isolation problem can lead to significant energy losses before being detected.We offer expert fault diagnosis and repair services for both commercial and residential solar PV systems, regardless of whether we were the original installers, enabling businesses to reduce downtime and quickly recover lost energy production. Our repair process begins with a comprehensive assessment of the system to determine the underlying issue.

This involves checking inverter error codes, testing both AC and DC electrical components, inspecting isolators and MCBs, reviewing generation data, and looking for physical or environmental damage to panels and cabling. Many problems, such as tripped breakers, faulty isolators, monitoring disconnections, or inverter issues, can be quickly resolved once accurately identified. When components need to be replaced, we utilise high-quality parts from reputable manufacturers to ensure long-term reliability and adherence to safety standards. For homes and businesses in Durban, Kloof, Hillcrest, and surrounding regions, timely solar PV repairs are vital for safeguarding return on investment. Whether your system has completely shut down, is underperforming, or is facing intermittent issues, professional repairs can help restore its functionality and prevent minor problems from escalating into expensive issues.

Contact us

Advantages of Solar PV Maintenance

Regular maintenance of solar photovoltaic (PV) systems is crucial for safeguarding your investment against unforeseen expenses and ensuring long-term operational efficiency. In the absence of routine inspections, minor issues such as loose connections, inverter malfunctions, or diminished panel performance can develop into expensive repairs or even total system failure. Continuous upkeep facilitates the early detection of these problems, minimising downtime and guaranteeing steady energy output along with reduced electricity costs. Furthermore, effective maintenance contributes positively to the environment by optimising clean energy production and decreasing dependence on carbon-heavy grid electricity. Additionally, regular servicing enhances the longevity of solar panels and their components. It is advisable to have annual evaluations conducted by a certified technician, with more frequent cleaning or inspections recommended in coastal regions, areas with significant dust, or locations that experience heavy rainfall. Consistent maintenance not only maximises your return on investment but also promotes a more sustainable energy future.

Frequently asked questions

You should schedule a professional inverter check once every 1–2 years. However, monitoring should be done continuously via your system’s app or display. If you notice error codes, reduced output, or shutdowns, arrange an inspection immediately.

Solar systems require minimal but consistent maintenance to operate efficiently. Routine care includes visual inspections of panels, performance monitoring through the inverter, checking wiring and mounts, cleaning panels when dirt affects output, and periodic electrical safety inspections by a qualified technician.

Solar panels should be cleaned using soft water and non-abrasive tools to maximise energy output. Cleaning is best done early in the morning or late afternoon when panels are cool, using a soft brush or sponge and avoiding harsh chemicals. Roof-mounted systems should be cleaned professionally to ensure safety and prevent damage.

Solar panels typically need to be cleaned every 6–12 months under normal conditions. Homes in dusty, coastal, or high-pollution areas may require cleaning every 3–6 months, while properties that receive regular rainfall often need less frequent cleaning unless visible dirt or performance drops occur.

Solar panel maintenance typically costs between R2,000 and R2,500 for most homeowners. This is an estimated range and can vary depending on system size, location, roof access, and whether professional cleaning or inspections are required. Most manufacturers recommend only annual inspections, major components are usually covered by warranties, and modern inverters include monitoring software that alerts homeowners to issues early.

The average lifespan of a solar panel is 25–30 years. Studies suggest that most modern solar panels continue producing electricity well beyond this period, although their output gradually decreases over time at an average degradation rate of 0.3–0.8% per year. Long-term performance research indicates that high-quality panels often retain 80–90% of their original capacity after 25 years, making them a reliable long-term energy investment.

Solar panel lifespan is maximised through regular maintenance and performance monitoring. Keeping panels clean, scheduling professional inspections, ensuring proper inverter ventilation, and addressing issues early all help extend system longevity and maintain efficiency.

Common signs of a faulty solar energy system include reduced energy output and inverter error alerts. Other indicators include unexpectedly high electricity bills, visible panel damage, warning lights on the inverter, or the system failing to generate power during sunny conditions. Prompt professional assessment is recommended if any of these signs appear.